4062121640 has 64 divisors (see below), whose sum is σ = 9656236800. Its totient is φ = 1535419648.

The previous prime is 4062121601. The next prime is 4062121681. The reversal of 4062121640 is 461212604.

4062121640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17267 + ... + 91773.

It is an arithmetic number, because the mean of its divisors is an integer number (150878700).

Almost surely, 2^4062121640 is an apocalyptic number.

4062121640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4062121640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828118400).

4062121640 is an abundant number, since it is smaller than the sum of its proper divisors (5594115160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4062121640 is a wasteful number, since it uses less digits than its factorization.

4062121640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74594 (or 74590 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4062121640 is about 63734.7757507626. The cubic root of 4062121640 is about 1595.5765370883.

The spelling of 4062121640 in words is "four billion, sixty-two million, one hundred twenty-one thousand, six hundred forty".